42 lines
773 B
Go
42 lines
773 B
Go
package util
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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)
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// Convert a duration specifier to seconds (e.g. 64 (seconds), 1:04, 0:1:04 etc.)
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func ParseDurationSeconds(s string) (int, error) {
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var secs int
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sp := strings.Split(s, ":")
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if len(sp) < 1 || len(sp) > 3 {
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return 0, errors.New("invalid duration format")
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}
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magnitude := 1
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for i := len(sp) - 1; i >= 0; i-- {
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n, err := strconv.Atoi(sp[i])
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if n < 0 || err != nil {
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return 0, errors.New("invalid duration")
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}
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secs += n * magnitude
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magnitude *= 60
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}
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return secs, nil
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}
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func FormatDurationSeconds(s int) string {
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var h, m int
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h = s / 3600
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s -= h * 3600
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m = s / 60
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s -= m * 60
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var hs string
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if h > 0 {
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hs = fmt.Sprintf("%02d:", h)
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}
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return fmt.Sprintf("%s%02d:%02d", hs, m, s)
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}
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